The set contains a wide assortment of lock washers, external washers and internal washers in one convenient kit. Suitable for both home and shop use, these lock washers feature a bright zinc-plated finish to resist rust and corrosion. The lock washers come organized in a resealable, divided PVC case with an index chart for easy, quick identification.

---

M3 lock: 50 pieces M4 lock: 50 pieces M5 lock: 50 pieces M6 lock: 40 pieces M8 lock: 30 pieces M10 lock: 20 pieces M3 external: 50 pieces M4 external: 50 pieces M5 external: 50 pieces M6 external: 40 pieces M8 external: 30 pieces M10 external: 20 pieces M3 internal: 50 pieces M4 internal: 50 pieces M5 internal: 50 pieces M6 internal: 40 pieces M8 internal: 30 pieces M10 internal: 20 pieces